Integration Architect

Job title: Integration Architect Contract: six months Location: London (hybrid) Job description We are seeking an experienced SAP Integration Architect to play a critical role in the Landmark Programme, a major transformation initiative to: Migrate from SAP ECC to SAP S/4HANA Decouple non-finance capabilities from SAP Enable full decommissioning of SAP ECC before 2030This programme addresses a highly complex legacy environment where SAP ECC has become tightly coupled with multiple business processes and systems, creating a bottleneck for change and innovation. The Integration Architect will lead the design of a simplified, modular integration landscape that enables agility, reduces technical debt, and supports a modern, domain-driven architecture. Key Objectives of the Role Design and govern integration architecture across:o Legacy SAP ECC o SAP S/4HANA (Finance core) o Domain-driven business systems Enable the decoupling strategy by:o Removing non-finance functionality from SAP o Redirecting data flows to domain platforms or integration layers Reduce complexity by transitioning from:o A highly coupled SAP-centric architecture o To a modular, loosely coupled ecosystem Support delivery of:o Integration Strategy o Integration Architecture Design o Interface Specifications & build oversight What You'll Be Doing Architecture & Design Define the target integration architecture aligned to S/4HANA as the finance system of record. Establish integration patterns (APIs, events, messaging) tailored to a decoupled landscape Ensure adherence to programme guiding principles, including:o Minimum Viable Integration. o Standard first, exception by design. Decoupling & Transformation Liaise with the other business transformation programmes that will need to into create new integration designs for removing non-finance capabilities from SAP ECC Redesign outbound and inbound interfaces:o Repoint integrations to domain systems o Reduce SAP's role as a central data distribution hub Support the move towards:o Domain ownership of data o Increased pace of change across business areas Delivery & Governance Own or contribute to key artefacts:o Integration Strategy o Interface Specifications o Non-functional requirements (performance, scalability, resilience) Work across delivery phases:o Design → Build → Test → Deploy (SAP Activate aligned) Provide technical oversight of:o Integration build and test activities o Vendor-led delivery (multi-partner model) Collaboration & Stakeholders Work closely with:o Enterprise Architecture teams across M&S Digital and Tech. o SAP functional teams (Finance, PTP, OTC, etc.) o Domain system teams (Supply Chain, Product, Pricing) Partner with system integrators and specialist vendors across the programme Candidate Profile Experience Strong SAP integration experience across:o SAP ECC and SAP S/4HANA Demonstrated experience in large-scale transformation programmes Experience designing integration solutions in complex, highly integrated environments Technical Skills Deep understanding of:o Enterprise integration patterns (API, event-driven, messaging) o Interface-based integration (IDocs, services, batch, etc.) o Data flow and system decoupling strategies Experience working with:o Multi-system landscapes (ERP + domain systems) o Integration platforms and middleware Architecture & Design Capability Proven ability to:o Design scalable, modular integration architectures o Simplify complex estates and reduce dependencies Familiarity with:o Domain-driven / service-based architectures Soft Skills Strong stakeholder engagement and influencing skills Ability to operate in multi-vendor, matrix environments Commercially aware, outcome-driven decision making Why Join This Programme? Work on a business-critical transformation with a clear deadline (ECC decommissioning before 2030) Help reshape a landscape currently constrained by:o High complexity o Slow change cycles due to SAP dependency Deliver tangible outcomes such as:o Reduced technical debt o Faster business change o Simplified architecture and improved performance If you receive suspicious outreach claiming to be from us, please contact us via the ManpowerGroup website